Is this expression equivalent 20 divided by 5 and 5 divided by 20

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

What is the radius of the cone in the diagram? round your answer to the nearest whole number